The memory sticks have nothing to do with whats on your computer. All the stuff on your computer is on the hard drives. The memory sticks/RAM is it ability to process and think. So yes you can remove all the memory sticks and replace them with larger ones without any problems.

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You can upgrade your HP Pavilion a6228x Computer to up to a maximum memory capacity of 8.0 GB Memory, the system has 4 sockets to install Memory, already with 2.0 GB (removable) standard memory installed.

For best Pavilion a6228x Computer performance use the maximum amount of allowed Memory per slot for your Computer.
If you're not sure if a module is right for your system, use theCrucial Memory Advisor tool for a list of guaranteed compatible modules.

first you will need to select the manufacturer from a drop down list then select your product line from a drop down list then select the model then click find it will take you directly to compatible ram also you will have an option to scan your system

you should always ask for a guarantee on the compatibilitybefore making any purchase and try to buy for working pairs if possible

RAM, or random access memory, is the physical memory on the
computer but only holds data while the computer is on.
The benefit of adding more RAM is that it generally makes
your computer faster.
Almost all new computers recognize your RAM after you
install it and restart the computer, but if yours doesn't there are a few
simple things to do to get the memory recognized.
Check the type of memory you have.
Computer motherboards will work only with the
type of memory they are designed for regardless if the memory fits or not.
There will be either a sticker on the memory
or a listing on the packaging giving the memory type and speed.
Check the computer's or motherboard's manual
for the type of memory that is compatible.

Install the memory and make sure it is tight, otherwise it
may not get recognized.
The memory fits into slots on the computer's
motherboard.
There are tabs on the side of the memory slots
to release it.
Release the memory if it is installed and put
it back in by pushing it down straight into the slot until it clicks.

Restart the computer and hit the appropriate key to enter
the BIOS.
The key will be listed on the screen.
Go through the menu choices by using the arrow
keys.
Look for the memory listing under hardware.
Make sure all memory listings are not listed
as disabled.
If so, change them to enabled.
Choose anything listed similar to "Auto
detect."
Exit the BIOS and restart
the computer.

several beeps in a system is caused by a memory issue -- If you've recently added or tried to add additional memory to the computer and have started getting these beeps. Remove all new memory you've added to the computer. If the computer works fine after removing the new memory you're encountering either an incompatibility or defective new memory.

Sometimes when the computer is moved and/or over time a memory stick can become loose causing the computer to be unable to read the memory or get errors as it's reading it. Try fixing this issue by opening the computer removing each of the memory sticks you have in the computer and then placing them back into the computer.

If reseating the memory did not resolve the issue try swapping the location of the memory. If you have only one stick of memory in the computer try moving it to another slot and then boot the computer.

If you have more than one stick of memory try removing all but one stick of memory and boot the computer. If this does not resolve the issue try removing that stick of memory and try one of the other sticks of memory.

the system you have is upgradable to 4G of RAM, and this RAM must be installed in equal pairs
so if you have 4 slots to insert memory in (assuming you will retain the 2 256M) , you must install the other slots by 2 512M, 2 1G or 2 2G DIMMs -- make sure you isntall exact same DIMMs, dont mix memory makers or specs, other than what Dell specifies

You may have to go into your BIOS to get the new memory recognized. However, according to the service manual for your computer (found at this link http://h10032.www1.hp.com/ctg/Manual/c00311113.pdf) you should not have to do this. It says your memory is installed incorrectly or it is the wrong type. Since you've verified the type with the original memory, that should not be the problem. Try removing the modules, use some compressed air and blow out the memory sockets, and re-insert them. It is also possible that static electricity could have claimed one or both. Reinstall the original memory to see if the computer will start back up if all of the above does not work. If the original memory works, return the new memory for an exchange.

Should you get up, walk away, then return, TOUCH the metal frame again.

Refrain from handling Ram Memory sticks by their gold plated contact pins. (Bottom of ram stick)You can handle the ram stick anywhere else, as the body of the ram stick is coated with a see-through plastic.

The Notch looks to be centered upon a cursory glance.It is Not.The Notch is over to one side a little.

(Actually a DDR Sdram ram memory module has 184 contact pins on the bottom. 92 on each side. The Notch is located in-between Pins 40 and 41. 40 pins on one side of the Notch, 52 on the other side)

The Notch must be lined up correctly with the Locating Lug, in the bottom of the ram memory slot. The ram stick only goes in, in one direction.

There is a lock on each side of the ram slot. White in color, looks like an 'Ear'.Dell's reference to a lock is 'Securing Clip'.Put your thumbs on the top of each lock on a ram slot, and gently push down, and out.The lock pivots to the outside.

When the locks pivot, the ram stick is raised up out of the ram slot.Upon closer examination, you will note a small slot at the bottom of each lock.

The bottom corners of the ram stick, fit down in these slots.Set the ram stick down in the slots of the locks, Notch lined up with the Locating Lug. Push down on the outside top corners of the ram stick.

When the ram stick is fully seated, the contact pins will be down in the ram slot, and the locks will be seated against the sides of the ram stick.You will notice that each lock has a 'Bump' on it. This Bump lines up with a Notch on the side of the ram stick.

The bump must be in the notch, for the ram stick to be fully seated.Usually you will hear a satisfying 'Click - click', as the lock's bumps click into the notches.

IF, the ram memory slots that you are installing ram memory in, have never been used before, they may be tight.You are installing new ram memory modules.Makes the fit even tighter.

Sometimes it's a 'Pee Picker,' to get those ram memory modules to go in. Makes beads of sweat pop out of your forehead!Other times they slip right in with No problem.Thought I would warn you in advance.

If I understand correctly, do I understand you are installing TWO - 1GB sticks of DDR Sdram?

[DDR Sdram at 333MHz {PC2700}, or DDR Sdram at 400MegaHertz?{PC3200}

1) If the ram memory modules that you are installing, are larger than the ones already installed, install the 1GB ram modules in DIMM 1, and DIMM 2, ram memory slots.

DIMM 1 is Slot 1.Slot is the ram memory slot that is closest to the Processor.The Processor reads Slot 1, First.

DIMM 1, and DIMM 2, (Slot 1 and Slot 2), are a matched pair of ram memory slots.They are in the same Channel.

If the computer turns on and boots up, thats a good sign. You must know what you already have in the machine before the install, and what youre installing (Example: you have 256 megs of memory in the machine, youre adding a 512 stick=total should be 768 in Windows as well as BIOS less memory dedicated to video). Make sure that the memory is designed for your machine and matches in frequency what you already have. Best website to help you with this:www.crucial.com. Use the SCAN MY PC tool to tell you what you have type, and the maximum amount your machine can take. You can even order what you need from them.

It is possible that the new memory is DOA (Dead On Arrival). Or there is a new fault on the system. If you have access to another compatible system, you may test the new and old memory modules. You may also swap the new and old memory modules to determine if the memory slot is at fault.

Lastly, if you remove the new memory module, does the system complete POST (Power On Self Test)?. If it does you may indeed have a DOA or incompatible part.